HideFlags.NotEditable

Description

The object is not be editable in the inspector.

    // Create a plane and dont let it be modificable in the Inspector
    // nor in the Sceneview.

    function Start() {
        var createdGO : GameObject = GameObject.CreatePrimitive(PrimitiveType.Plane);
        createdGO.hideFlags = HideFlags.NotEditable;
    }

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {
    void Start() {
        GameObject createdGO = GameObject.CreatePrimitive(PrimitiveType.Plane);
        createdGO.hideFlags = HideFlags.NotEditable;
    }
}